Lg Electronics Inc.

Kyounghoon Jang

Byungtae Choi

Kwangyeon Rhee

Disclosed are an image display device and an image processing method thereof. A signal processing method of the image display device according to the present invention is a signal processing method of an image display device configured to receive an image having a varied vertical synchronization signal, including detecting an input synchronization signal using an input image clock, extracting an input vertical synchronization signal from the input synchronization signal, delaying the input vertical synchronization signal by a reference value of an output clock, continuously tracking a falling region of the delayed input vertical synchronization signal, and finally generating an output synchronization signal in which a vertical front porch is varied.

Display device and image signal processing method of the same

A display device according to an embodiment of the present invention may process an input image with higher resolution than allowed easily without reconfiguring a hardware system through an image processing unit which divides input image data with first resolution into image blocks of an acceptable size and generating processed image data with second resolution lower than the first resolution.

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Seoul, South Korea

Kyounghoon Jang